Manual Change Gear System has a pair of easily accessible change gear which facilitates in changing spindle speeds. Brisk Tech Engineers manufactures Manual Change Gear System. Brisk Tech Engineers also manufactures plano milling heads, milling attachments, polygon turning machines, multi drilling machines, in situ milling and drilling machines, hole deburring and chamfering tools, automatic back spot facing tools and counter boring tools. In this Manual Change Gear System any number of spindle speeds can be obtained.